{"id": 3040, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-09 16:23:36", "direction": "down", "timeframe": "24h", "score": 0.28, "outcome": "Wrong \u2014 bitcoin moved +0.5% ($72,250 \u2192 $72,632)", "resolved_at": "2026-04-10 16:23:52", "chain_hash": "4464cf76767de3adb11b59beacfceeedbe8d368b7af005c363f84ca82cf234bc", "chain_tx": "JBWayZvo99iQVr2mCmneNA6fa5ej6Am5NxASWuo5KU3JKnhNpsafr6TwjPm7xs4JrEVfuCiu8m54nTafURfk9AC", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}